How to Use the Document Map in Word 2007
Document Map feature in Word 2007 enables you to see a quick overview of a document’s structure, especially if you use the Word heading styles.
Click the View tab on the Ribbon and select the Document Map check box in the Show/Hide group.
A special task pane opens on the left side of the document, summarizing the various heading styles in use.
Click a heading inside the map to instantly jump to that part of your Word 2007 document.
The Document Map helps you jump to all parts of a document.